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Substituted pyridylamide ligands in microwave-accelerated Mo(0)-catalysed allylic alkylations
KTH, Superseded Departments, Chemistry.ORCID iD: 0000-0002-1743-7650
2002 (English)In: Synthesis (Stuttgart), ISSN 0039-7881, E-ISSN 1437-210X, no 11, 1601-1606 p.Article in journal (Refereed) Published
Abstract [en]

Novel 4- and 6-substituted bis-pyridylamides were prepared by microwave accelerated nucleophilic substitution of the 4-and 6-halo substituted derivatives of the parent ligand la. The ligands were used in the asymmetric allylation of cinnamyl carbonate catalysed by Mo(0) in which the 4-chloro- and 4-pyrrolidyl substituted ligand derivatives exhibited high regioselectivity (74:1 and 88:1. respectively) and enantioselectivity (96% ee), whereas 6-substituted ligands afforded no product under the same conditions. Other allylic substrates were used to explore the generality of the procedure.

Place, publisher, year, edition, pages
2002. no 11, 1601-1606 p.
Keyword [en]
molybdenum, allylations, asymmetric catalysis, pyridylamides, microwaves, molybdenum-catalyzed alkylations, fast chemistry, complexes, example, esters
URN: urn:nbn:se:kth:diva-21859ISI: 000177737000018OAI: diva2:340557
QC 20100525Available from: 2010-08-10 Created: 2010-08-10Bibliographically approved

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